Home / 30,134.53-45,209.32-21,267.17

Finding the Fourth Proportional to 30,134.53, 45,209.32 and 21,267.17

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Solution

The fourth proportional to 30,134.53, 45,209.32 and 21,267.17 is: 31,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.53 : 45,209.32 = 21,267.17 : x
  2. Step 2: Convert to fraction form
    30,134.53/45,209.32 = 21,267.17/x
  3. Step 3: Cross multiply
    30,134.53x = 45,209.32 × 21,267.17
  4. Step 4: Simplify right side
    30,134.53x = 961,473,961.64
  5. Step 5: Solve for x
    x = 961,473,961.64/30,134.53
  6. Step 6: Final answer
    x = 31,906.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.